Download Unit 1 Definitions and Questions

What does a sound system do? Where do you see sound systems?
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The basic function of a sound system is to reinforce the sound.

Mixing Boards

At the heart of every sound system is a mixer. A mixer “mixes” the sound! You can call it the control center of the sound system.
The mixer receives signals from microphones, instruments, etc

The signal is processed for level and tone which can then go to the outputs (speakers).
Three functions of a mixer

Changes the sound


Combines the sounds


Mixes the sounds

Click here to play with an online mixer
Play with this online mixer!
Play with this online mixer!


Now try this online mixer - Beatbox DJ Mixer – Online Mixer
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Powered vs. Unpowered
All mixers fall under two categories: POWERED OR UNPOWERED
Powered Mixers

Have an amplifier built in

Less cords and cables compared to unpowered systems

Hard to upgrade without replacing entire unit

Unpowered Mixers

Does not have an amplifier built in

Amp and Mixer are two separate units

What to do about all those Knobs!!

Looking at a mixer for the first time can be very overwhelming. Don’t worry this will be painless!!!

All you need to know is one channel strip. Once you have that concept down you can figure out any size mixer!
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